Board Members
(As of March 27, 2026)
Directors
Ichiro Otsuka
Chairman and Representative Director
Profile
Born February 15, 1965
| Apr. 1987 | Joined Otsuka Pharmaceutical Factory, Inc. |
|---|---|
| Jun. 1997 | Executive Director, Director of Consumer Products Development Division, Otsuka Pharmaceutical Co., Ltd. |
| Jun. 1998 | Managing Director, responsible for Consumer Products, Publicity, Promotion and Development Division, Otsuka Pharmaceutical Co., Ltd. |
| Dec. 2001 | Executive Director, Research and Development, Otsuka Pharmaceutical Factory, Inc. |
| May 2002 | Representative Director, Otsuka Pharmaceutical Factory, Inc. |
| Dec. 2003 | Executive Deputy President and Representative Director, Otsuka Pharmaceutical Factory, Inc. |
| Dec. 2004 | President and Representative Director, Otsuka Pharmaceutical Factory, Inc. |
| Jul. 2008 | Executive Director, Otsuka Holdings Co., Ltd. |
| Jun. 2010 | Executive Deputy President and Director, Otsuka Holdings Co., Ltd. |
| Jun. 2014 | Representative Director, Otsuka Pharmaceutical Factory, Inc. Vice Chairman and Representative Director, Otsuka Holdings Co., Ltd. |
| Mar. 2015 | Executive Director, Otsuka Pharmaceutical Co., Ltd.(current) Chairman, Otsuka Pharmaceutical Factory, Inc. Chairman and Representative Director, Otsuka Holdings Co., Ltd. |
| Mar. 2022 | Representative Director,
Otsuka Pharmaceutical Factory, Inc.(current) |
Makoto Inoue
President and Representative Director, CEO
Profile
Born August 9, 1958
| Apr. 1983 | Joined Otsuka Pharmaceutical Co., Ltd. |
|---|---|
| Jun. 2008 | Vice President, General Manager of Diagnostic Division, Otsuka Pharmaceutical Co., Ltd. |
| Jun. 2009 | Senior Vice President, Deputy General Manager of Pharmaceutical Business Division, Otsuka Pharmaceutical Co., Ltd. |
| Mar. 2015 | Executive Director, Executive Vice President, General Manager of Nutraceuticals Business Division, Otsuka Pharmaceutical Co., Ltd. |
| Apr. 2015 | Executive Director, Pharmavite LLC |
| Mar. 2017 | Managing Director, Nutraceuticals Business, Otsuka Pharmaceutical Co., Ltd. |
| Sep. 2017 | Executive Director, Daiya Foods Inc. |
| Mar. 2018 | Senior Managing Director, Nutraceuticals Business, Otsuka Pharmaceutical Co., Ltd. |
| Oct. 2018 | Chairman, Nardobel SAS |
| Mar. 2019 | Executive Deputy President and Executive Director, Otsuka Pharmaceutical Co., Ltd. |
| Mar. 2020 | President and Representative Director, Otsuka Pharmaceutical Co., Ltd.(current) Executive Director, Otsuka Holdings Co., Ltd. |
| Jan. 2024 | Representative Director, COO, Otsuka Holdings Co., Ltd. |
| Jan. 2025 | President and Representative Director, CEO, Otsuka Holdings Co., Ltd. (current) |
Yoshiro Matsuo
Executive Deputy President and Representative Director
Profile
Born November 3, 1960
| Apr. 1985 | Joined Otsuka Pharmaceutical Co., Ltd. |
|---|---|
| Jan. 2003 | Vice President, Associate General Manager of the General Affairs Department, Otsuka Pharmaceutical Co., Ltd. |
| Jun. 2006 | Vice President, General Manager of the General Affairs Department, Otsuka Pharmaceutical Co., Ltd. |
| Nov. 2007 | Senior Vice President, General Manager of the General Affairs Department with additional responsibility for Legal Affairs and External Relations, Otsuka Pharmaceutical Co., Ltd. |
| Jul. 2008 | Managing Director, Corporate Administration, Otsuka Holdings Co., Ltd. |
| Mar. 2016 | Senior Managing Director, Corporate Administration, Otsuka Holdings Co., Ltd. |
| Jan. 2017 | Executive Director, Otsuka Medical Devices Co., Ltd. |
| Mar. 2022 | Executive Deputy President and Representative Director, Otsuka Pharmaceutical Co., Ltd.(current) |
| Mar. 2022 | Executive Deputy President and Director, Otsuka Holdings Co., Ltd. |
| Mar. 2023 | Executive Director, Otsuka Foods Co., Ltd. |
| Jan. 2025 | Executive Deputy President and Representative Director, Otsuka Holdings Co., Ltd. (current) |
Yuko Makino
Senior Executive Director, CFO and Board Member
Profile
Born October 23, 1961
| Apr. 1982 | Joined Otsuka Pharmaceutical Co., Ltd. |
|---|---|
| April 1993 | Joined Deloitte&Touche LLC Seattle Office (now Deloitte Touche Tohmatsu LLC) |
| Apr. 1996 | Joined Baxter Limited |
| Apr. 2000 | Joined Otsuka Pharmaceutical Co., Ltd. |
| Mar. 2015 | Director of the Corporate Finance & Accounting Department, Otsuka Holdings Co., Ltd. |
| Sep. 2016 | Vice President, Director of the Corporate Finance & Accounting Department, Otsuka Holdings Co., Ltd. Vice President, Director of Accounting Department, Otsuka Pharmaceutical Co., Ltd. |
| Apr. 2017 | Vice President, Director of the Tax Department, Otsuka Holdings Co., Ltd. Vice President, Director of the Finance & Accounting Department, Otsuka Pharmaceutical Co., Ltd. |
| Mar. 2018 | Executive Director, Corporate Finance, Otsuka Holdings Co., Ltd. |
| Mar. 2019 | Senior Executive Director, CFO and Board Member (current) |
| Mar. 2022 | Senior Executive Director and Board Member (Finance), Otsuka Pharmaceutical Co., Ltd. |
Shuichi Takagi
Senior Executive Director and Board Member
Profile
Born January 3, 1966
| Apr. 1989 | Joined Tobishima Corporation |
|---|---|
| Sep. 1995 | Joined Otsuka Pharmaceutical Co., Ltd. |
| Aug. 2002 | Finance Department of OIAA Division, Otsuka Pharmaceutical Co., Ltd. |
| Jul. 2003 | Corporate Finance & Accounting Department, Otsuka Pharmaceutical Co., Ltd. |
| Mar. 2015 | Vice President responsible for India Business, Otsuka Pharmaceutical Factory, Inc. |
| May 2015 | CEO, Claris Otsuka Private Limited (now Otsuka Pharmaceutical India Private Limited) |
| Jan. 2019 | Senior Vice President, President’s Office, Otsuka Holdings Co., Ltd. |
| Mar. 2019 | Executive Director, Finance and Business Portfolio Management, Otsuka Pharmaceutical Co., Ltd.
Executive Director, Business Portfolio Management, Otsuka Holdings Co., Ltd. |
| Oct. 2021 | President, Otsuka America, Inc. |
| Mar. 2022 | Managing Director(Business Strategy), Otsuka Pharmaceutical Co., Ltd. |
| Mar. 2022 | Managing Director, CSO, Otsuka Holdings Co., Ltd. |
| Mar. 2023 | Executive Director, Otsuka Pharmaceutical Factory, Inc. |
| Jan. 2024 | Senior Executive Director and Board Member (current) President and Representative Director, Otsuka Pharmaceutical Factory, Inc. (current) |
Masayuki Kobayashi
Senior Executive Director and Board Member
Profile
Born July 10, 1966
| April 1989 | Joined The Daiwa Bank, Ltd. (now Resona Bank, Limited) |
|---|---|
| Oct. 1993 | Joined Taiho Pharmaceutical Co., Ltd. |
| Aug. 2002 | President, Taiho Pharma USA, Inc. (now Taiho Oncology, Inc.) |
| Sep. 2003 | Executive Director, Taiho Pharmaceutical Co., Ltd. |
| Apr. 2010 | President and CEO, Otsuka America, Inc. |
| Apr. 2012 | President and Representative Director, Taiho Pharmaceutical Co., Ltd.(current) Executive Director, Taiho Pharma USA, Inc. |
| Apr. 2014 | Chairman, Taiho Oncology, Inc.(current) |
| Mar. 2017 | Senior Executive Director and Board Member (current) |
Noriko Tojo
Senior Executive Director and Board Member
Profile
Born February 28, 1964
| Apr. 1987 | Joined Goldman Sachs (Japan) Corporation |
|---|---|
| Aug. 1991 | Joined Shearson Lehman Brothers Holdings Inc. |
| Jul. 2002 | Engagement Manager, McKinsey & Company, Japan Office |
| Jun. 2006 | Director, Intel Capital Japan, Intel Corporation |
| Aug. 2008 | Managing Director, Corporate Development, Otsuka Holdings Co., Ltd. |
| Feb. 2011 | Executive Director, Otsuka Medical Devices Co., Ltd. |
| Apr. 2012 | President and CEO, Otsuka America, Inc. |
| Aug. 2015 | Executive Director and CEO, Pharmavite LLC |
| Jan. 2017 | President and Representative Director, Otsuka Medical Devices Co., Ltd.(current) |
| May 2017 | Executive Director, Otsuka America, Inc. |
| Aug. 2017 | Chairman, Pharmavite LLC |
| Mar. 2018 | Senior Executive Director and Board Member (current) |
Tatsuo Higuchi
Senior Executive Director and Advisor, Chairman Emeritus and Board Member
Profile
Born June 14, 1950
| Mar. 1977 | Joined Otsuka Pharmaceutical Co., Ltd. |
|---|---|
| Jun. 1998 | Senior Managing Director, Otsuka Pharmaceutical Co., Ltd. (Pharmavite) |
| Nov. 1998 | Executive Deputy President and Executive Director, Otsuka Pharmaceutical Co., Ltd. |
| Jun. 1999 | Executive Director, responsible for U.S. Business, Otsuka Pharmaceutical Co., Ltd. |
| Jun. 2000 | President and Representative Director, Otsuka Pharmaceutical Co., Ltd. |
| Jun. 2008 | Executive Director, Otsuka Pharmaceutical Co., Ltd. |
| Jul. 2008 | President and Representative Director, CEO, Otsuka Holdings Co., Ltd. |
| Dec. 2011 | Executive Director, Otsuka Chemical Co., Ltd. |
| Feb. 2015 | President and Representative Director, Otsuka Pharmaceutical Co., Ltd. |
| Mar. 2020 | Chairman and Representative Director, Otsuka Pharmaceutical Co., Ltd. |
| Jan. 2025 | Senior Executive Director and Advisor, Chairman Emeritus and Board Member (current) Senior Executive Director and Chairman, Otsuka Pharmaceutical Co., Ltd. (current) |
Yukio Matsutani
Outside Director and Board Member
Profile
Born October 20, 1949
| Apr. 1975 | Intern, Pediatric Department, St. Luke’s International Hospital |
|---|---|
| Oct. 1981 | Joined Ministry of Health and Welfare (now Ministry of Health, Labour and Welfare) |
| Aug. 2005 | Director-General, Health Policy Bureau, Ministry of Health, Labour and Welfare |
| Aug. 2007 | Director, National Sanatorium Tama Zenshoen |
| Apr. 2012 | President, National Institute of Public Health |
| Dec. 2015 | Vice President, International University of Health and Welfare(current) |
| Mar. 2016 | Outside Director and Board Member (current) |
| Jun. 2019 | President, Japan Public Health Association |
| Jun. 2025 | Chairman, Japan Public Health Association (current) |
Yoshihisa Aoki
Outside Director and Board Member
Profile
Born January 17, 1952
| Apr. 1974 | Joined Itochu Corporation |
|---|---|
| Jun. 2003 | Executive Officer, Itochu Corporation |
| Apr. 2009 | Managing Executive Officer, President, Food Company, Itochu Corporation |
| Apr. 2010 | Member of the Board, Senior Managing Executive Officer, President, Food Company, Itochu Corporation |
| Mar. 2017 | Administrative Officer, Itochu Corporation(current) |
| Jun. 2017 | Outside Director, Arata Corporation |
| Mar. 2019 | Outside Director and Board Member (current) |
Mayo Mita
Outside Director and Board Member
Profile
Born October 14, 1960
| Apr. 1983 | Joined Morgan Stanley Japan Securities Co., Ltd. (now Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.) |
|---|---|
| Jan. 1989 | Equity Research Division (Healthcare), Morgan Stanley Japan Securities Co., Ltd. |
| Dec. 2000 | Managing Director, Morgan Stanley Japan Securities Co., Ltd. |
| Dec. 2013 | Senior Advisor, Investment Banking Business Unit (Healthcare), Mitsubishi UFJ Morgan Stanley Securities Co., Ltd. |
| Mar. 2020 | Outside Director and Board Member (current) |
| Jun. 2023 | Outside Auditor, Mitsui Fudosan Co., Ltd. (current) |
Tatsuaki Kitachi
Outside Director and Board Member
Profile
Born April 23, 1956
| Oct. 1985 | Joined Sanwa Tokyo Marunouchi Office Audit Corporation (present day Deloitte Touche Tohmatsu LLC) |
|---|---|
| Apr. 1989 | Registered as a certified public accountant |
| Jul. 1996 | Partner, Tohmatsu & Co. (present day Deloitte Touche Tohmatsu LLC) |
| Apr. 2010 | Commissioner, Public Interest Corporation Commission, Cabinet Office |
| Oct. 2012 | Leader of Advisory Development Division, Deloitte Touche Tohmatsu LLC |
| Nov. 2013 | Member of the Board, Deloitte Touche Tohmatsu LLC |
| Jun. 2017 | Leader of Industry Service Division, Advisory Service Headquarters, Deloitte Touche Tohmatsu LLC |
| Jun. 2019 | Thought Leader, Deloitte Tohmatsu LLC |
| Sep. 2021 | Special Adviser to the Governor of Kanagawa Prefecture(current) |
| Mar.2022 | Outside Director and Board Member (current) |
Jiro Seguchi
Outside Director and Board Member
Profile
Born July 29, 1963
| Apr. 1986 | Joined The Bank of Tokyo, Ltd. (present day MUFG Bank, Ltd.) |
|---|---|
| Mar. 1999 | Joined Merrill Lynch Japan Securities Co., Ltd. |
| Jul. 2010 | Representative Director and President, Merrill Lynch Japan Securities Co., Ltd. Country Executive, Bank of America Corporation |
| Oct. 2013 | Head of Asia Pacific Global Corporate & Investment Banking, Bank of America Corporation |
| Jun. 2016 | Representative Director and President, Merrill Lynch Japan Securities Co., Ltd. Countr Executive, Bank of America Corporation |
| Jan. 2019 | Co-President of Asia Pacific, Bank of America Corporation |
| Jul. 2023 | Senior Adviser of Asia Pacific, Bank of America Corporation |
| Mar. 2025 | Outside Director and Board Member (current) |
Auditors and Supervisory Board Members
Yozo Toba
Standing Auditor and Supervisory Board Member
Profile
Born March 16, 1957
| Apr. 1979 | Joined Otsuka Chemical Holdings Co., Ltd. (now Otsuka Chemical Co., Ltd.) |
|---|---|
| Jan. 1995 | Director, Information Center, Otsuka Chemical Holdings Co., Ltd. |
| Jan. 2006 | CFO, Trocellen GmbH |
| May 2009 | Operating Officer, Information System Department, Otsuka Chemical Holdings Co., Ltd. (now Otsuka Chemical Co., Ltd.) |
| Jun. 2009 | Corporate Officer, Director of IT, Corporate Finance & Accounting Department, Otsuka Holdings Co., Ltd. |
| Dec. 2011 | Executive Director, Corporate Administration, Accounting and IT, Otsuka Chemical Co., Ltd. |
| Mar. 2015 | Executive Vice President, Corporate Finance & Accounting and Corporate Service Department, Otsuka Holdings Co., Ltd. |
| Mar. 2018 | Standing Auditor and Supervisory Board Member (current) |
| Mar. 2019 | Audit and Supervisory Board Member, Otsuka Chemical Co., Ltd.(current) |
Hiroshi Sugawara
Outside Auditor and Supervisory Board Member
Profile
Born March 13, 1970
| Oct. 1997 | Joined Chuo Audit Corporation |
|---|---|
| Oct. 2000 | Joined Deloitte Touche Tohmatsu (now Deloitte Touche Tohmatsu LLC) |
| Apr. 2002 | Registered as a certified public accountant |
| Feb. 2006 | Vice President, Will Capital Management Co., Ltd. |
| Jun. 2010 | Outside Auditor and Supervisory Board Member (current) |
| Jun. 2012 | Outside Audit and Supervisory Board Member, Otsuka Pharmaceutical Co., Ltd. |
| Oct. 2013 | Outside Director, Nippon Parking Development Co., Ltd. |
| Mar. 2016 | Auditor and Supervisory Board Member, Otsuka Pharmaceutical Co., Ltd.(current) |
| Aug. 2018 | External Director, Inbound Platform Corp.（current) |
Kanako Osawa
Outside Auditor and Supervisory Board Member
Profile
Born December 22, 1970
| Apr. 1998 | Registered as an attorney at law (Dai-ichi Tokyo Bar Association) Joined KAJITANI LAW OFFICES(current) |
|---|---|
| Oct. 2005 | Admitted to the bar of the State of New York |
| Jun. 2015 | Outside Director (Audit & Supervisory Committee Member), LINTEC Corporation(current) |
| Apr. 2021 | Committee Member for Reform of Collateral Law, Legislative Council of the Ministry of Justice |
| May. 2021 | Director, Japanese Association for Business Recovery |
| Jun. 2021 | External Director, TPR Co., Ltd.(current) |
| Mar. 2022 | Outside Auditor and Supervisory Board Member (current) |
| Jun. 2022 | Outside Audit & Supervisory Board Member, Toshiba Tec Corporation（current） |
| May. 2023 | Managing Director, Japanese Association for Business Recovery (current) |
Sachie Tsuji
Outside Auditor and Supervisory Board Member
Profile
Born April 23, 1972
| Oct. 1996 | Joined Tohmatsu & Co. (present day Deloitte Touche Tohmatsu LLC) |
|---|---|
| Apr. 1999 | Registered as a certified public accountant |
| Jul. 2015 | Representative Director, SPLUS Corporation (present day Biz-suppli Corporation)(current) |
| Jun. 2016 | Director, Association of Certified Fraud Examiners |
| Mar. 2021 | Outside Director (Audit & Supervisory Board Member), SBS Holdings, Inc.(current) |
| Jun. 2021 | Outside Audit & Supervisory Board Member, Shindengen Electric Manufacturing Co., Ltd.(current) |
| Mar. 2022 | Outside Auditor and Supervisory Board Member (current) |
Vice Presidents
Chiaki Sakurai
Senior Executive Vice President and Operating Officer
Director, Nutraceutical Business, Global Strategy and Planning Headquarters
Kenji Bunya
Senior Executive Vice President and Operating Officer
Director, Human Resource Planning Department and Internal Control
Keiso Yamasaki
Executive Vice President and Operating Officer
Director, Corporate Planning Department and Business Insights and Analytics
Manabu Kawata
Executive Vice President and Operating Officer
Business Development Department
Tomohiro Emura
Executive Vice President and Operating Officer
Investor Relations, Public Relations, and Sustainability Promotion
Aki Sudo
Senior Vice President and Operating Officer
Director, Internal Control Department
Hiroki Nakayama
Senior Vice President and Operating Officer
Director, Internal Audit Department
Masanori Udagawa
Senior Vice President and Operating Officer
Director, Group IT Department
Yoko Ishii
Senior Vice President and Operating Officer
Director, Sustainability Promotion Department
Satoshi Okada
Senior Vice President and Operating Officer
Director, Environmental Strategic Planning Department